From S-Parameters to Wideband Modulation Stimulus-Response for Sub-THz Component Testing

This paper proposes an extensive tour of the evolution over 5 decades of the Vector Network Analyzers. The stimulus-response essential concept has been pushed to ultra-wideband modulated test signals and up to sub-THz frequencies. Advanced and very important component test metrics like modulation distortion are measured in a vector match corrected environment. The importance of modern vector Network Analyzers in new technologies development is demonstrated.